题目内容
11.-Must I finish my homework now?-No,you_________.You may do it tomorrow.( )
| A. | mustn't | B. | can't | C. | don't have to |
分析 --我现在必须完成我的作业吗?
--不,你不必.你可以明天完成.
解答 答案:C.
根据No和You may do it tomorrow.可知下面为否定回答,must的含义是必须一定,其否定形式mustn't表示禁止的含义.在这里不是禁止的意思.must的否定回答一般可借助于needn'和don't have to来构成.故选C.
点评 本题考查了情态动词的用法.注意must的用法以及它的肯否定形式.
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